HydraMaster CDS 4.6, Owner'S Manual, Page: 115 / 126

Machine Maintenance: 10-2
Daily
Check engine oil level. •
Inspect fresh water (garden) hose screen. Clean as needed. •
Empty waste tank inlet filter. •
Visually inspect machine for loose wires, oil leaks, water leaks, etc. •
Inspect vacuum tank stainless steel filter for clogging or damage. Clean, repair or •
replace as needed.
Inspect and clean the vacuum slot on the cleaning wand. Watch for sharp edges that •
may tear the carpet, remove any sharp edges as required.
lubricate blower with an oil-based lubricant through blower inlet. •
Perform freeze guard procedure as weather dictates •
Weekly
Check around vehicle and CDS unit for any evidence of oil/fluid leaks. •
Grease, oil, antifreeze, and debris build-up near hot equipment, such as the vehicle engine
exhaust system or the CDS blower exhaust system, can present a fire hazard.
Check high pressure pump oil. Add as necessary. •
Check pump drive belts for wear. •
Check pump pulleys for wear. •
Check internal machine high pressure water lines for wear or chafing. •
Remove the stainless steel blower inlet filter inside the recovery tank and thoroughly •
clean, removing all lint build-up. Inspect for damage and re-install.
Remove the filter screen from the fresh water (garden hose inlet fitting. Thoroughly •
clean and reinstall.
empty chemical from the chemical container. Wash out thoroughly to remove any •
chemical build-up.
Inspect vacuum relief valve. Clean and lubricate as necessary. •
Inspect all external solution hoses, vacuum hoses, and quick connects for wear or •
damage that may cause premature failure, replace as needed.
Clean vacuum tank thoroughly with high pressure washer. •
flush water and chemical system with 50/50 white vinegar solution. •
Check vehicle engine rpm on CDS tachometer: •
Speed 1 = 1500
Speed 2 = 1400
Speed 3 = 1300
Monthly
Change engine oil. •
Check engine air cleaner filter. Clean as necessary. •
Clean battery connections as needed. •
Grease drive shaft u-joints. Inspect for wear. (See Drive Shaft Maintenance at the end •
of this section.)